“Saturday Night Live” closed out the year with SNL alum Kate McKinnon who starred in the megahit “Barbie” with Billie Eilish as musical guest. McKinnon’s episode which had a Christmas theme where she had some help from her friends Maya Rudolph and Kristen Wiig.

Eilish was busy, singing “What Was I Made For,” celebrating Christmas with the classic song, “Have Yourself a Merry Little Christmas,” and even appearing in a sketch with cats,

The show will return in the new year with host Jacob Elordi and Renee Rapp as musical guest.

Check out Eilish’s songs and the cat sketch below.